Simplify the rational expression x^2+4x-5 / 1-x

What is the probability of being dealt a king from a deck of cards

35% is 7 out of what

Compare and contrast division of integers to division of rational expressions. (Sorry guys; but, that's laterally the whole question. I even quadruple checked it twice.)

How much did the price of one share change into the total after the 4 day

How you can know a fraction is equivalent to another fraction

Find the sum of the arithmetic sequence. 3, 5, 7, 9, ..., 21

A school is builiding a rectangular soccer field that has an area of 500 square yards. The soccer field must be 40 yards longer than its width. What is the length and width, in yards, of the soccer field? soccer

What would most cause the future acceleration of the expansion of the universe?

There are 232 people waiting in line for an amusement park ride. Each car on the ride will be filled with 5 people. How many cars are needed to hold all the people waiting in line? TRY IT

An engineer is designing an arch-shaped gate for the entrance to an amusement park. The gate must be 80 feet wide and 25 feet tall. What will be the equation of the parabolic shape of the gate?